Preview
Contributing Institution
Maine Geological Survey
Document Type
Image
Identifier
91017
Description
Conglomerate (Silurian) on Sally Mountain. Pebbles and cobbles are mostly derived from the underlying Attean pluton (Ordovician), described as a quartz monzonite. Matrix is mostly quartz sand with some feldspar grains.
Project Name: Marvinney Historical Photos
Broad Creation Date
October 1993
Location
Attean Twp
Supplemental Rights
Credit must be given to the photographer and the Maine Geological Survey when this photo is displayed, reproduced, distributed and/or used in derivative works.
Keywords
conglomerate; Sally Mountain; Attean pluton; quartz monzonite; Silurian